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Computer engineering
The case of issuing a 10-year-old duty-free privilege music teacher Cummer on the counting shell invented
Department of State Saving Department of the State Council.The case of issuing a 10-year-old duty-free privilege music teacher to Cummer on the countable shell invented.
1847.
Federal State Institution "Russian State Historical Archive" (RGIA)
The case of the invention of the Warsaw Watchmaker I.A. Staffel numerator and the recognition of its valuable academics BS. Jacobi and V.Ya. Bunyakovski
Department of Public Education of the Ministry of National Education (1803-1917).
The case of the invention of the Warsaw watchmaker IA. Staffel numerator and the recognition of its valuable academics BS. Jacobi and V.Ya. Bunyakovskiy.
The case of the invention of the Warsaw watchmaker IA. Staffel numerator and the recognition of its valuable academics BS. Jacobi and V.Ya. Bunyakovskiy.
1845
Федеральное казенное учреждение "Российский государственный исторический архив" (РГИА)
Israel Abraham Staffel (1814-1884), a Polish inventor of computers, watchmaker, mechanic, the Demidov Prize awardee. In 1845 he presented his first computing machine. Then, he improved it and received many awards. He also created a two-colour printing press, anemometer, fan, etc.
Heinrich Gotthelf Kummer (1809-1889), a St. Petersburg music teacher and inventor. In 1846 he developed a device for automating calculations. His device had been mass-produced from the late XIX century until 1982.